平歯車ピッチと歯形および両歯面ピッチの自動記録式同時測定

抄録

A measuring apparatus, similar in mechanism to the gear hobbing machine whose hob spindle cannot be inclined, has been produced experimentally, and has the test gear and a detector in place of the gear blank and the hob, respectively.
The rotating detector contacts with a tooth surface which rotates accurately and detects the position of tooth surface and records the cumulative pitch error. The detector, utilizing a wire strain gauge, is connected to an electric auto-recording micro-comparator which records the cumulative pitch error histogrammatically.
By using several detectors, the cumulative pitch error and profile error of all teeth can be recorded simultaneously. Moreover, by using two detectors, cumulative pitch error of two facing surfaces can be recorded simultaneously.